The GHMC demolished 39 old and dilapidated buildings in different parts of the city in the last couple of days. On Thursday, demolition teams pulled down 19 dilapidated buildings at Bandlaguda, Mansurabad, Chintalbasthi, Lalapet and two old structures each at Kowkoor and Suraram. A joint inspection carried out by a team of engineers and town planning staff also identified five more old and dilapidated buildings for necessary action.